Lack of blood flow to the tip of my right index finger

Patient : Hi I am a 25 yr Caucasian male I'm a smoker average hight 85kl
The of my right index finger is always cold it started about 3 weeks ago
It is also slightly puffy not alot but I can notice the difference the cold starts
Just past the nuckle about a I centre meter past. So my nail down
I don't were a ring never have and sometimes it has less feeling then the other
Tips of my fingers I tested pain response with a small needle prick
And it is less sensitive

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